Home / 15,075.48-20,805.44-8,363.27

Finding the Fourth Proportional to 15,075.48, 20,805.44 and 8,363.27

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Solution

The fourth proportional to 15,075.48, 20,805.44 and 8,363.27 is: 11,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.48 : 20,805.44 = 8,363.27 : x
  2. Step 2: Convert to fraction form
    15,075.48/20,805.44 = 8,363.27/x
  3. Step 3: Cross multiply
    15,075.48x = 20,805.44 × 8,363.27
  4. Step 4: Simplify right side
    15,075.48x = 174,001,512.19
  5. Step 5: Solve for x
    x = 174,001,512.19/15,075.48
  6. Step 6: Final answer
    x = 11,542.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.